DAC issues with XMOS usb chipset and Roon on Linux

[wklie (Peter Lie)]

@Rugby

There was another issue I seem to remember that was corrected employing a similar solution.

Which of these are you referring to?

RoonBridge RPi DAC+Pro I2S 44.1kHz playback and volume control issues [Workarounded]

Hello Brian, Many thanks for your prompt and considered reply - all makes good sense to me. I tried using Roon’s “DSP Volume” and it worked! Output is now S32_LE and the DAC is playing like a champ! Sounds great too This outcome is absolutely fine - I’m very happy. Thanks again, I like where you’re going with Roon - great product. Best regards, Bruce

Raspberry Pi + Pi-DAC+ volume control problems [Fixed pending next release]

Using a RPi 2 or 3 with Pi-DAC+ Configured as per documentation: http://www.iqaudio.com/downloads/IQaudIO.pdf Roon audio setup volume configured as “use device controls”. Across the volume range volume is 100% regardless of state of volume slider. At 100% on the slide there is some volume boost. When audio setup volume configured as “DSP volume” all works fine (but of course no longer lossless). Attached some screenshots that should help diagnose. Anyone have any ideas? I have both a RPi 2 a…

Build 247 Dragonfly Red requires DSP volume [Resolved with new build]

looks like my issue is very similar to this thread’s: only difference I can see is that exclusive mode is working for me . . . as long as I use DSP volume instead of fixed. Screenshots of my audio settings just in case support needs them: [image] [image] [image]

I suppose all of the above are fixed and no longer required?